On 1/9/15 20:24, Eric Sandeen wrote:
On 9/1/15 12:49 AM, Jevon Qiao wrote:
Hi Eric
Thank you very much for the prompt response.
On 1/9/15 12:28, Eric Sandeen wrote:
On 8/31/15 10:55 PM, Jevon Qiao wrote:
Hi All,
Currently, I notice that there are lot's of errors written in the
/var/log/messages file.
2015-08-29T23:58:54.477236+00:00 server-68 kernel: sd 0:0:4:0: [sdc]
2015-08-29T23:58:54.477255+00:00 server-68 kernel: Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE
2015-08-29T23:58:54.477256+00:00 server-68 kernel: sd 0:0:4:0: [sdc]
2015-08-29T23:58:54.477257+00:00 server-68 kernel: Sense Key : Illegal
Request [current]
2015-08-29T23:58:54.477258+00:00 server-68 kernel: sd 0:0:4:0: [sdc]
2015-08-29T23:58:54.477259+00:00 server-68 kernel: Add. Sense: Invalid
field in parameter list
2015-08-29T23:58:54.477260+00:00 server-68 kernel: sd 0:0:4:0: [sdc] CDB:
2015-08-29T23:58:54.477261+00:00 server-68 kernel: Unmap/Read
sub-channel: 42 00 00 00 00 00 00 00 18 00
2015-08-29T23:58:54.477263+00:00 server-68 kernel: end_request: critical
target error, dev sdc, sector 325046824
2015-08-29T23:58:54.477268+00:00 server-68 kernel: XFS (sdc2): discard
failed for extent [0x64815,2021], error 5
Has anyone encountered the same issue before? How can you solve it?
Looks like xfs is simply reacting to errors from the storage; I'd try to get
to the bottom of why you're getting all those scsi errors.
I just want to understand the meaning of 'XFS (sdc2): discard failed
for extent [0x64815,2021], error 5', does it mean one of the layers
beneath xfs does not support DISCARD? Could you please show me more
clues?
"error 5" is EIO. That's as much as I can tell you from the XFS perspective.
I don't know what the block/scsi errors mean, exactly; it does seem as
if it may not support discard, but it must have advertised that it did, or
the discard would not have been issued in the first place.
Thank you for the further help on this.
You haven't said what kernel or storage you're on.
OTOH, even if you do, it's a scsi/storage issue that the xfs list probably
can't help much with.
OK, I see.
Thanks,
Jevon
-Eric
Thanks,
Jevon
But probably not on the xfs list. :)
-Eric
Thanks,
Jevon
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